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<meta name="viewport" content="width=620">
<title>HTML5 Demo: geolocation</title>
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<section id="wrapper">
    <header>
      <h1>geolocation</h1>
    </header>
<meta name="viewport" content="width=620" />

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
    <article>
      <p>Finding your location: <span id="status">checking...</span></p>
    </article>
<script>
function success(position) {
  var s = document.querySelector('#status');
  
  if (s.className == 'success') {
    // not sure why we're hitting this twice in FF, I think it's to do with a cached result coming back    
    return;
  }
  
  s.innerHTML = "found you!";
  s.className = 'success';
  
  var mapcanvas = document.createElement('div');
  mapcanvas.id = 'mapcanvas';
  mapcanvas.style.height = '400px';
  mapcanvas.style.width = '560px';
    
  document.querySelector('article').appendChild(mapcanvas);
  
  var latlng = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
  var myOptions = {
    zoom: 15,
    center: latlng,
    mapTypeControl: false,
    navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  var map = new google.maps.Map(document.getElementById("mapcanvas"), myOptions);
  
  var marker = new google.maps.Marker({
      position: latlng, 
      map: map, 
      title:"You are here!"
  });
}

function error(msg) {
  var s = document.querySelector('#status');
  s.innerHTML = typeof msg == 'string' ? msg : "failed";
  s.className = 'fail';
  
  // console.log(arguments);
}

if (navigator.geolocation) {
  navigator.geolocation.getCurrentPosition(success, error);
} else {
  error('not supported');
}

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